Technical Concepts For Interviews

Architecture

• High level overview of architecture questions / concepts

Choosing Database (RDBMS vs. NOSQL)

• RDBMS vs. NoSQL
• Row store vs. Column store
• Hadoop vs. NoSQL
• Common types of NoSQL

Basic Frontend Questions

• Basic frontend concepts

What is HTTP?

• HTTP headers
• Request methods

Pointers and Memory Allocation

• Pointers
• Memory Allocation

System Design and Scalability

• More basic concepts before reading the architecture section
• Example questions

Web Crawler

• What is a web crawler?
• How does it work?

Potential topics

• WebSocket
• Mutex vs. Semaphore